
Vehicle Details
2018 GMC Sierra 1500
SLT
Colorado Springs, CO 80920
Is this 2018 GMC Sierra 1500 SLT a good deal?
OAV verdict: Unscored
Why: Listed at $19,898, comparable market range $21,705–$31,995, based on 9 comparable listings. Days on lot: 31 days (market average 46 days).
Market price position
$19,898 · $1,807 below market low
- Regional range
- $21,705 – $31,995
- vs. market low
- — $1,807 (8% below)
- Comparable vehicles
- 9
Similar vehicles recently sold in an estimated 14–71 days.
Market Breakdown
Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges refresh daily.
Dealer Info
Colorado Springs, CO
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About This 2018 GMC Sierra 1500
Listing updated: May 16, 2026Listed by a franchise dealer in Colorado Springs, CO · On lot for 31 days · VIN verifiable at NHTSA
This used 2018 GMC Sierra 1500 SLT is listed at $19,898 by a franchise dealer in Colorado Springs, CO 80920. It has 197,000 miles on the odometer. The exterior color is White. It features a 4WD drivetrain with a 5.3L V8 engine and Automatic transmission.
OAV's AI-powered Price-to-Market analysis rates this vehicle as Unscored due to insufficient comparable data. Based on 9 similar vehicles in the Colorado Springs market, the estimated market range is $21,705 to $31,995. The local market range in CO is $21,705 to $31,995.
This vehicle has been on the lot for 31 days.
Analysis powered by OAV's patented inventory standardization technology (U.S. Patent No. 12,236,477).
Market context
This listing is part of OAV's broader Colorado Springs, CO trucks market analysis. OAV compares vehicles using local and regional price-to-market ranges, days-on-lot, comparable count, and demand signals where available.
How this deal is rated
OAV compares this 2018 GMC Sierra 1500 against similar vehicles currently available in the local and regional market — same make, model, and year range, filtered for comparable mileage. Based on where this listing falls in that comparable set, it is rated:
- Great Deal — priced below the typical range for comparable vehicles.
- Fair Price — priced within the expected range for comparable vehicles.
- Overpriced — priced above the typical range for comparable vehicles.
This rating refreshes daily as inventory enters and leaves the market. The dealer on this listing has not yet activated on OAV, so the business name and contact details are anonymized here. Activated (paying) dealers appear with their verified business name and a Verified badge.
How this listing is verified
This vehicle listing was aggregated from a franchise dealer in Colorado Springs, CO, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTU2NEC8JG444669 can be independently verified via the U.S. Department of Transportation's NHTSA VIN decoder, and safety recalls at NHTSA's recall database.
Vehicle attributes (year, make, model, trim, mileage, location) are standardized using OAV's patented methodology (U.S. Patent No. 12,236,477), which normalizes naming conventions and deduplicates cross-listed inventory across the dealership network. Listing data is refreshed daily; Price-to-Market analysis uses comparable vehicles within the same geographic market.
2018 GMC Sierra 1500 Market in CO
Comparable Vehicles
365
Average Price
$28,767
Price Range
$12,794–$43,999
Avg Days on Lot
46
Based on 365 comparable 2016-2020 GMC Sierra 1500 listings in CO, the average asking price is $28,767. This listing at $19,898 is $8,869 below average (31% below market). Comparable prices in CO range from $12,794 to $43,999. Similar vehicles spend an average of 46 days on dealer lots in this market.
Similar GMC Sierra 1500 Listings in CO
7 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: SLT — compare trims below)

2017 GMC Sierra 1500
SLT
Brighton, CO

2018 GMC Sierra 1500
SLT
Grand Junction, CO

2017 GMC Sierra 1500
SLT
Longmont, CO

2016 GMC Sierra 1500
SLT
Denver, CO

2017 GMC Sierra 1500
SLE
Denver, CO

2016 GMC Sierra 1500
SLE
Denver, CO

2018 GMC Sierra 1500
Denali
Loveland, CO